The invention relates to a loop closing control method of a distribution intelligent collecting switching device. The loop closing control method includes calculating loop closed current of a looped network generated after loop closing; judging whether or not the loop closed current meets the requirement, if yes, performing loop closing, and if not, assuming that load transfer is performed to transfer a connection part of a bus for loop closing to other buses in the load manner, once the load is transferred, the theoretic loop closed current after the transfer is calculated until the loop closed current meets the requirement, thus the transfer scheme is formed; implementing the load transfer according to the transfer scheme, once the load is transferred, the actual loop closed current after transfer is calculated, if the actual loop closed current meets the theoretic loop closed current, keeping implementing the load transfer, and if not, re-calculating the theoretic loop closed current after the load transfer in the residual transfer scheme and correcting and implementing the transfer scheme until the actual loop closed current meets the requirement. According to the arrangement, the loop closing is controlled, load is adjusted, and power supply reliability and continuty is guaranteed.